Saving JFK    by W Green
Price: $3.99 USD. 88300 words. Published by Zippy Books  on July 3, 2011. .
Year 2028: three young people discover a secret Time Machine buried deep in an underground bomb shelter, and go back to 1963 to save JFK. In their world, Kennedy never made it to Dallas and his assassination by a "lone nut" in Chicago was the bloody turning point in the downhill deterioration of USA democracy. Across the decades, the travelers smell a "conspiratorial rat" to be exterminated.